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natural areas inventory - Niagara Peninsula Conservation Authority

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Checklist of the Vascular Plants of <strong>Niagara</strong> Regional Municipality, Ontario(M.J. Oldham March 2010)SCIENTIFIC NAME COMMON NAME NIAG NIAGARA NOTES HAMI HANO COSEWIC MNR SRANK FAMILYBetula lenta L. Cherry Birch RAn endangered species known inCanada only from Port Dalhousie,where still present, and historicallyfrom the <strong>Niagara</strong> Glen (R. Dell, NFO,in 1953; T. Laviolette, NFO, in 1979;both det. M.J. Oldham 2007). Recentattempts to relocate the species at -- -- END END S1 BETULACEAE<strong>Niagara</strong> Glen have been unsucessful(Oldham 2007), however the speciesmay still be present in woods along the<strong>Niagara</strong> River or elsewhere in theRegion. See COSEWIC (2006b).Similar to Betula alleghaniensis.Betula papyrifera Marshall Paper Birch C Common woodland tree. C C S5 BETULACEAEAn uncommon weed of moist open <strong>areas</strong>such as abandoned gravel pits.Sometimes also in woodland edges nearBetula pendula Roth Weeping Birch IU suburban <strong>areas</strong>. Occasionally anI -- SE4 BETULACEAEaggressive weed in <strong>natural</strong> <strong>areas</strong>, such asWainfleet Bog (Jonsson-Ninniss andMiddleton 1991).Old records only: Ontario: "<strong>Niagara</strong>River above the falls. (David F. Day.)Chippewa .... (Maclagan.)" MacounBidens beckii Torrey exAquatic Beggarticks RH (1884). <strong>Niagara</strong> Parks System,SprengelCameron (1895). ""... reported fromR1 R1 S5 ASTERACEAEthe Parks" Hamilton (1943). =Megalodonta beckii.Common in wetlands. Local reports ofBidens laevis (e.g. Day 1888, PantonBidens cernua L. Nodding Beggarticks C 1890, Cameron 1895), a species notreliably known from Ontario (Mortonand Venn 1990), probably belong here.C C S5 ASTERACEAENatural Heritage Areas Inventory, 2010 9-60

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